{% extends "base.html" %}

{% block title %}页面不存在 - 学术研究自动化平台{% endblock %}

{% block content %}
<div class="row justify-content-center">
    <div class="col-md-6 text-center">
        <div class="error-page">
            <div class="error-code mb-4">
                <h1 class="display-1 text-primary">404</h1>
            </div>
            
            <div class="error-message mb-4">
                <h2 class="h4 mb-3">页面不存在</h2>
                <p class="text-muted">
                    抱歉，您访问的页面不存在或已被移动。
                </p>
            </div>
            
            <div class="error-actions">
                <a href="{{ url_for('index') }}" class="btn btn-primary me-2">
                    <i class="fas fa-home me-2"></i>返回首页
                </a>
                <button onclick="history.back()" class="btn btn-outline-secondary">
                    <i class="fas fa-arrow-left me-2"></i>返回上页
                </button>
            </div>
        </div>
    </div>
</div>
{% endblock %}